Home / 101,495,142.60-140,063,431.95-55,085,396.52

Finding the Fourth Proportional to 101,495,142.60, 140,063,431.95 and 55,085,396.52

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Solution

The fourth proportional to 101,495,142.60, 140,063,431.95 and 55,085,396.52 is: 76,017,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,142.60 : 140,063,431.95 = 55,085,396.52 : x
  2. Step 2: Convert to fraction form
    101,495,142.60/140,063,431.95 = 55,085,396.52/x
  3. Step 3: Cross multiply
    101,495,142.60x = 140,063,431.95 × 55,085,396.52
  4. Step 4: Simplify right side
    101,495,142.60x = 7,715,449,687,288,234
  5. Step 5: Solve for x
    x = 7,715,449,687,288,234/101,495,142.60
  6. Step 6: Final answer
    x = 76,017,920.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.